Micological Flora. 339 



young, pale straw or sub-ferruginous when old, hard, core- 

 aceous, woody at maturity; pores large, irregular, toothed 

 or fringed, easily separated, from 3^ to I inch long, varying 

 in color from straw to bright orange. 



Nearly always on the north side of living oaks. Pileus i 

 to 2 inches thick, 2 to 5 inches broad. Spores numerous, 

 white, globose, very small. Drops its spores in May or 

 early June. Plant is persistent, lasting the whole year. 



Its characters are decided and unmistakable when once 

 observed. Very scarce, only seen occasionally. 



619. TOLYPORUS INTYBACEUS. Fl\ 

 "Gray-branched polyporus." 



Our plant has an anise-like odor, and on the upper surface 

 of some of the pilei there are pores developed in small patch- 

 es. In all other respects fully answers book descriptions. 



On an old oak stump close to the ground. In woods 

 September. 



TREMELLA Fr. 



620. Tremella epigaea. B. & Br. 



"Ground Tremella." 



Effused, white, gelatinous within, externally dusted with 

 the white spores. 



On the ground, spreading over leaves, sticks, &c. Lake 

 Harriet woods. June and July. 



DIDERMA. P. 



621. DlDERMA FLORIFORME. P. 

 "Flower-like Diderma." 



At first w r hitish, becoming milk-white, when full grown 

 shining and fading through all shades to a yellowish brown; 

 stem slender, peridium spherical, splitting in all shapes, 

 and sometimes throwing off a complete cap. 



Spores yellowish brown, and may be seen under a glass 



